wk 3 Flashcards
What is the classification of A. cantonensis
Nematode
- Common name for Angiostrongylus cantonensis?
rat lungworm
- What type of parasitic meningitis is under A. cantonensis?
eosinophilic meningocephalitis
- What laboratory diagnosis is used to detect specific antibodies of A. cantonensis?
ELISA-immunoblotting
- Where does Eosinophilic Meningitis usually occur?
b. Southeast Asia and Pacific Basin
- There is simple mouth in the morphological characteristic of A. cantonensis?
True
- Another name identification for nematode is roundworm?
True
- Nematodes commonly resides in the pulmonary arteries of pigs?
False
A cantonensis does mature into adults inside the human body as man is its natural
definitive host?
false
- Cerebrospinal Fluid is another laboratory diagnosis used in detecting A.
cantonensis?
true
An infection that is the most common cause of eosinophilic meningitis in Southeast
Asia and the Pacific Basin
Angiostrongylus cantonensis
- Oneof the symptoms of A. cantonensis. A.
Headache
- Serological methods to detect specific antibodies against A. cantonensis.
B. ELISA
- Presence of A. cantonensis larvae can be performed.
E. Stool Examination
- A. cantonensis that has 17 to 33 mm in length. D.
Female
- What type of parasitic worm is WUCHERERIA bancrofti?
c. Filarial Nematode
- It is a powerful drug against the microfilariae.
d. Diethylcarbamazine (DEC)
- The gold standard for diagnosis of lymphatic filariasis.
a. Peripheral Blood Smear
- Microfilariae of W. bancrofti measures ____ long.
b. 245 to 300 µm
- The mode of transmission of W. bancrofti.
a. Mosquito vectors
- The microfilariae of W. bancrofti observes diurnal periodicity.
FALSE
- The earliest structural change in lymphatic filariasis is the dilation of lymph vessels.
true
- The adult male W. bancrofti is longer and stouter than the adult female W. bancrofti.
FALSE
- Wuchereria bancrofti is usually transmitted through the bite of an infectious mosquito.
TRUE
There is current proof that the mishmash of all three drugs (DEC, ivermectin, and
albendazole) can remove almost all microfilariae from the blood of infected persons.
.
TRUE
- Diseasecausedbynematodes.
A.LymphaticFilariasis
WhereW.bancrofti canbefoundin
thebody.
E.LymphoidTissues
It refers to the release of the
microfilariae into the peripheral
bloodatnighttime.
C.NocturnalPeriodicity
A single dose can decrease
microfilaraemiaby90%
Ivermectin
Stage of LF where no sign of
symptoms emerge even though a
personisinfected.
Asymptomatic
1.A human disease caused by parasitic roundworms known as filarial worms.
a. Lymphatic Filariasis
mainmanifestationof thisdiseaseistheimpairmentof thelymphaticsystemwhich
leadstothe:
a. abnormalenlargementofbodyparts
b. causingpain
c. severedisability
d. AllMentioned
3.Thefilarialwormsarefoundinthe:
c. LymphaticSystem
.Microfilariaecirculateintheperson’sbloodandinfectthemosquitowhenitbitesaperson
whois
Infected
5.Microfilariae grow and developing in:
mosquito
- Thefemaleislarger(70-100x0.25mm)thanthemale(25-40x0.1mm).
TRUE
Threetypesofwormsareknowntocausediseaseinhumans, theyare:Wuchereria
Bancrofti,BrugiaMalayi,andBrugiaTubuki.
FALSE
Infection occurs when filarial parasites are transmitted to humans through
mosquitoes.
TRUE
Theworms triggeraresponsefromtheimmunesystemthatproducesinflammation
andswelling.
TRUE
. Pus collecting ina leganddraining to the skin’ssurface, resulting inawound.
FALSE
1.FoundintheLymphaticSystem.[A.]
FilarialWorms
Arewhitish, translucent, thread-likewormswithsmoothcuticlesandtaperingends[D.
]
Adultworms
Damages the lymphaticsystemthat results inaberrant swellingof certainpartsof the
bodyleadingtopain,gravedeformity,andshame.[E.]
LymphaticFilariasis
Circulate in theperson’sbloodand infect themosquitowhen itbitesapersonwho is
infected.[B.]
Microfilariae
Occurs when filarial parasites are transmitted to humans throughmosquitoes. [C.
x]
Infection
Acceptablefecalspecimensforexaminationshouldcontainapproximately_____gramsof
material?
D. 5-7grams
ftherapyhasalreadybegun,stoolsamplesshouldnotbecollecteduntil____daysafter
completionoftreatment.
D. 5-7days
.Toenhancethechancesofdetectingintestinalparasites, it isadvisedtosubmitaseries
of_____fecalspecimens,collectedonalternatedaysifpossible,orwithina10-dayinterval
3
Thosetreatedforhelminthinfectionmaybechecked____weekspost-therapy,whilechecks
forTaeniamaybedelayedfor5to6weekspost-therapy.
C. 1-2weeks
A freshly passed stool specimen examined within___minutesisideal,particularly for
recovering trophozoite forms and flagellates
B. 30mins
.If intestinal amebiasis is suspected,six specimens maybeordered,but
positivere results in any one specimen may make the remaining unnecessary.
true
Formedstoolspecimensarelesstime-sensitive,recommendedfor
examinationwithin20hourstoensureprotozoancystrecovery
false
Fecalspecimensshouldneverbefrozen, incubated,or leftatroom
temperatureforextendedperiodsbeforeexamination
true
.Theformalin-to-fecalmaterial ratiois3:1
_TRUE_4
.Commercially manufactured two-vial kits,such as the Parapak Stool System
by Meridian, are particularly useful for INpatient specimens collection
false
Convenientsystemforthe
routinecollection,transportation,
preservationandexaminationof
stoolspecimensfor intestinal
parasites.
ParaPakStoolSystem
Thethreemostwidelyused
fixativesare___.
A.for malin,PVA,andsodium
acetate-formalin(SAF).
isafederalagencyfocusedon
monitoringandreducing
occupationalhazardsand
illnesses.
OccupationalSafetyand
HealthAdministration(OSHA)
Consideredthe“goldstandard”
forthefixationofovaand
parasitesinthepreparationof
permanentlystainedsmearsof
stoolspecimens.
Polyvinylalcohol (PVA)
Threewidelyusedpermanent
stainsare___
Ironhematoxylin,
Wheatley’strichromestain,
andthemodifiedacid-fast
stain.
